Add async actions test

package.json

@@ -3,7 +3,12 @@
   "version": "4.0.0-beta.2",
   "description": "",
   "main": "index.js",
-  "files": ["index.js", "package.json", "README.md", "dist/"],
+  "files": [
+    "index.js",
+    "package.json",
+    "README.md",
+    "dist/"
+  ],
   "scripts": {
     "build": "rollup -c -m && yarn gen-flow",
     "gen-flow": "cp src/types.js dist/react-waterfall.js.flow",
@@ -42,6 +47,7 @@
     "eslint-plugin-react": "^7.8.2",
     "flow-bin": "^0.72.0",
     "jest": "^22.4.4",
+    "node-fetch": "^2.1.2",
     "react": "^16.3.2",
     "react-dom": "^16.3.2",
     "react-test-renderer": "^16.3.2",

src/__test__/index.test.js

@@ -1,18 +1,28 @@
 /* global store */
 import React from 'react'
 import renderer from 'react-test-renderer'
+import fetch from 'node-fetch'
 
 import createStore from '../'
 
-global.console = { error: jest.fn() }
+global.console = { ...console, error: jest.fn() }
+global.fetch = fetch
+
+const REPO = 'https://api.github.com/repos/didierfranc/react-waterfall'
 
 beforeEach(() => {
   const config = {
     initialState: {
       count: 0,
+      stars: null,
     },
     actionsCreators: {
       increment: ({ count }) => ({ count: count + 1 }),
+      getStars: async () => {
+        const { stargazers_count: stars } = await fetch(REPO).then(r =>
+          r.json())
+        return { stars }
+      },
     },
   }
 
@@ -61,3 +71,21 @@ test('actions triggered and state updated', () => {
   actions.increment()
   expect(tree.toJSON()).toMatchSnapshot()
 })
+
+test('async actions', async () => {
+  const { Provider, connect, actions } = store
+
+  const Stars = connect(({ stars }) => ({ stars }))(({ stars }) => stars)
+
+  const App = () => (
+    <Provider>
+      <Stars />
+    </Provider>
+  )
+
+  const tree = renderer.create(<App />)
+  await actions.getStars()
+
+  const instance = tree.root.findByType(Stars).children[0]
+  expect(typeof instance.props.stars).toBe('number')
+})

yarn.lock

@@ -3240,6 +3240,10 @@ node-fetch@^1.0.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
+node-fetch@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"